A comparative study of efficacy and functionality of ten commercially available wrist-hand orthoses in healthy females : wrist range of motion and grip strength analysis
Aranceta Garza, Alejandra and Ross, Karyn (2021) A comparative study of efficacy and functionality of ten commercially available wrist-hand orthoses in healthy females : wrist range of motion and grip strength analysis. Frontiers in Rehabilitation Sciences: Translational Research in Rehabilitation, 2. 687554. (https://doi.org/10.3389/fresc.2021.687554)
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Abstract
Objective Wrist-hand orthoses(WHOs) are prescribed for a range of musculoskeletal/neurological conditions to optimise wrist/hand position at rest and enhance performance by controlling its range of motion(ROM), improving alignment, reducing pain, and optimising grip strength. The objective of this research was to study the efficacy and functionality of ten commercially available WHOs on wrist ROM and grip strength. Design Randomised comparative functional study of the wrist/hand with and without WHOs. Participants Ten right-handed female participants presenting with no underlying condition nor pain affecting the wrist/hand which could influence motion or grip strength. Each participant randomly tested ten WHOs; one per week, for ten weeks. Main outcome measures The primary outcome was to ascertain the impact of WHOs on wrist resting position and flexion, extension, radial and ulnar deviation. A secondary outcome was the impact of the WHOs on maximum grip strength and associated wrist position when this was attained. Results From the 2,400 tests performed it was clear that no WHO performed effectively or consistently across participants. The optimally performing WHO for flexion control was #3 restricting 86.7%, #4 restricting 76.7% of extension, #9 restricting 83.5% of radial deviation, and #4 maximally restricting ulnar deviation. A grip strength reduction was observed with all WHOs, and ranged from 1.7% (#6) to 34.2% (#4). Conclusion WHOs did not limit movement sufficiently to successfully manage any condition requiring motion restriction associated with pain relief. The array of motion control recorded might be a contributing factor for the current conflicting evidence of efficacy for WHOs. Any detrimental impact on grip strength will influence the types of activities undertaken by the wearer. The design aspects impacting wrist motion and grip strength are multifactorial, including: WHO geometry; the presence of a volar bar; material of construction; strap design; and quality of fit. This study raises questions regarding the efficacy of current designs of prefabricated WHOs which have remained unchanged for several decades but continue to be used globally without a robust evidence-base to inform clinical practice and the prescription of these devices. These findings justify the need to re-design WHOs with the goal of meeting users’ needs.
ORCID iDs
Aranceta Garza, Alejandra ORCID: https://orcid.org/0000-0001-7801-2544 and Ross, Karyn ORCID: https://orcid.org/0000-0003-3223-4883;-
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Item type: Article ID code: 76745 Dates: DateEvent15 June 2021Published15 June 2021Published Online18 May 2021AcceptedSubjects: Technology > Engineering (General). Civil engineering (General) > Bioengineering Department: Faculty of Engineering > Biomedical Engineering Depositing user: Pure Administrator Date deposited: 10 Jun 2021 15:13 Last modified: 31 Oct 2024 01:52 URI: https://strathprints.strath.ac.uk/id/eprint/76745